73158485137 has 8 divisors (see below), whose sum is σ = 73957033512. Its totient is φ = 72361392000.

The previous prime is 73158485119. The next prime is 73158485173.

73158485137 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 30672618496 + 42485866641 = 175136^2 + 206121^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73158485137 - 2²³ = 73150096529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73158489137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262564 + ... + 463957.

It is an arithmetic number, because the mean of its divisors is an integer number (9244629189).

Almost surely, 2^73158485137 is an apocalyptic number.

It is an amenable number.

73158485137 is a deficient number, since it is larger than the sum of its proper divisors (798548375).

73158485137 is a wasteful number, since it uses less digits than its factorization.

73158485137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727619.

The product of its digits is 2822400, while the sum is 52.

The spelling of 73158485137 in words is "seventy-three billion, one hundred fifty-eight million, four hundred eighty-five thousand, one hundred thirty-seven".